static void checkUserDefinedFileAttributes(
Map<String, ByteBuffer> attrs1, Map<String, ByteBuffer> attrs2) {
assert attrs1.size() == attrs2.size();
for (String name : attrs1.keySet()) {
ByteBuffer bb1 = attrs1.get(name);
ByteBuffer bb2 = attrs2.get(name);
assertTrue(bb2 != null);
assertTrue(bb1.equals(bb2));
}
}
static Map<String, ByteBuffer> readUserDefinedFileAttributes(Path file) throws IOException {
UserDefinedFileAttributeView view =
getFileAttributeView(file, UserDefinedFileAttributeView.class);
Map<String, ByteBuffer> result = new HashMap<>();
for (String name : view.list()) {
int size = view.size(name);
ByteBuffer bb = ByteBuffer.allocate(size);
int n = view.read(name, bb);
assertTrue(n == size);
bb.flip();
result.put(name, bb);
}
return result;
}